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Regeneron Pharmaceuticals, Inc.

REGN
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0000872589

In the last 90 days, Regeneron Pharmaceuticals, Inc. insiders filed 0 open-market purchases and 5 sales; 1,342 institutions reported holding it in 13F filings for Q2 2026, worth $57.1B in total; Southeastern Asset Management (Longleaf) is the only superinvestor holding it.

13F holders, Q3 2021

Institutional positions in Regeneron Pharmaceuticals, Inc. as of Sep 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
1,022
+60 vs. Q2 2021
Shares held
90.4M
+1.98M (+2.2%) vs. Q2 2021
Total value
$54.5B
+$5.16B (+10.5%) vs. Q2 2021
New holders
134
410 more added
Sold out
74
326 more reduced

13 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting REGN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2021: 1,022 institutions
Q1 2021: 926 institutionsQ2 2021: 975 institutionsQ3 2021: 1,022 institutionsQ4 2021: 1,081 institutionsQ1 2022: 1,097 institutionsQ2 2022: 1,066 institutionsQ3 2022: 1,081 institutionsQ4 2022: 1,161 institutionsQ1 2023: 1,196 institutionsQ2 2023: 1,168 institutionsQ3 2023: 1,180 institutionsQ4 2023: 1,274 institutionsQ1 2024: 1,313 institutionsQ2 2024: 1,335 institutionsQ3 2024: 1,393 institutionsQ4 2024: 1,320 institutionsQ1 2025: 1,290 institutionsQ2 2025: 1,201 institutionsQ3 2025: 1,243 institutionsQ4 2025: 1,387 institutionsQ1 2026: 1,401 institutionsQ2 2026: 1,342 institutions
Value heldQ3 2021: $54.5B
Q1 2021: $42.3BQ2 2021: $49.6BQ3 2021: $54.5BQ4 2021: $56.9BQ1 2022: $64.5BQ2 2022: $55.0BQ3 2022: $64.0BQ4 2022: $66.9BQ1 2023: $76.1BQ2 2023: $66.2BQ3 2023: $75.1BQ4 2023: $80.3BQ1 2024: $89.3BQ2 2024: $98.9BQ3 2024: $97.5BQ4 2024: $66.6BQ1 2025: $59.0BQ2 2025: $46.9BQ3 2025: $49.0BQ4 2025: $70.7BQ1 2026: $69.8BQ2 2026: $57.1B
Institutions holding REGN and their total value by quarter
QuarterHoldersValue
Q2 20261,342$57.1B
Q1 20261,401$69.8B
Q4 20251,387$70.7B
Q3 20251,243$49.0B
Q2 20251,201$46.9B
Q1 20251,290$59.0B
Q4 20241,320$66.6B
Q3 20241,393$97.5B
Q2 20241,335$98.9B
Q1 20241,313$89.3B
Q4 20231,274$80.3B
Q3 20231,180$75.1B
Q2 20231,168$66.2B
Q1 20231,196$76.1B
Q4 20221,161$66.9B
Q3 20221,081$64.0B
Q2 20221,066$55.0B
Q1 20221,097$64.5B
Q4 20211,081$56.9B
Q3 20211,022$54.5B
Q2 2021975$49.6B
Q1 2021926$42.3B

Institutions, Q3 2021

Shares, value and share of portfolio for each institution holding Regeneron Pharmaceuticals, Inc.; share changes are against Q2 2021.

Institutions holding REGN in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Park Avenue Securities LLC689$417.0K0.01%−244−26.2%Reduced
Princeton Capital Management LLC685$415.0K0.13%00.0%Unchanged
Federation des caisses Desjardins du Quebec681$411.7K0.00%−265−28.0%Reduced
Spire Wealth Management676$410.0K0.01%+446+193.9%Added
Boston Private Wealth LLC676$409.0K0.01%+149+28.3%Added
Rothschild Investment Corp670$405.0K0.03%00.0%Unchanged
JT Stratford LLC663$401.0K0.12%+663New
Rossmore Private Capital660$399.0K0.07%00.0%Unchanged
American Portfolios Advisors653$395.2K0.01%+237+57.0%Added
Bryn Mawr Trust Co652$395.0K0.02%00.0%Unchanged
GWM Advisors LLC651$394.0K0.01%+29+4.7%Added
Personal Cfo Solutions, LLC647$392.0K0.08%+647New
Mutual Advisors, LLC638$386.0K0.02%−25−3.8%Reduced
AGF Investments LLC635$384.0K0.04%−40−5.9%Reduced
Wedbush Securities Inc632$382.0K0.02%−9−1.4%Reduced
Kestra Private Wealth Services, LLC630$381.0K0.02%+16+2.6%Added
Pantheon Investment Group, LLC633$379.0K0.33%−213−25.2%Reduced
Venturi Wealth Management, LLC626$379.0K0.03%−99−13.7%Reduced
FLC Capital Advisors621$376.0K0.11%−62−9.1%Reduced
Pitcairn Co615$373.0K0.03%−10−1.6%Reduced
New England Research & Management, Inc.615$372.0K0.19%−1,045−63.0%Reduced
Brighton Jones LLC609$369.0K0.02%+53+9.5%Added
Ritholtz Wealth Management602$364.0K0.03%−41−6.4%Reduced
Minot Wealth Management LLC593$359.0K0.08%+593New
Anchor Investment Management, LLC593$358.9K0.05%−87−12.8%Reduced
Soltis Investment Advisors LLC588$356.0K0.06%+4+0.7%Added
NorthRock Partners, LLC589$356.0K0.03%+589New
Keudell/Morrison Wealth Management587$355.0K0.15%−39−6.2%Reduced
Sigma Planning Corp583$353.0K0.01%−753−56.4%Reduced
Balentine LLC583$353.0K0.01%+583New
Koshinski Asset Management, Inc.577$349.2K0.03%+577New
CWM Advisors, LLC573$347.0K0.04%−7,170−92.6%Reduced
Umb Bank N A572$346.0K0.01%−6−1.0%Reduced
Bradley Foster & Sargent Inc571$346.0K0.01%+62+12.2%Added
Brown Brothers Harriman & Co570$345.0K0.00%+6+1.1%Added
Engine No. 1 LLC570$345.0K0.09%+570New
Dynamic Technology Lab Private Ltd569$344.0K0.04%+569New
JGP Global Gestao de Recursos Ltda.566$343.0K0.12%−49−8.0%Reduced
Humankind Investments LLC564$341.0K0.16%−12−2.1%Reduced
GFG Capital, LLC563$341.0K0.11%+7+1.3%Added
Inverness Counsel LLC564$341.0K0.01%+564New
Alps Advisors Inc563$341.0K0.00%+563New
Foundations Investment Advisors, LLC616$339.0K0.01%+121+24.4%Added
Itau Unibanco Holding S.A.557$337.0K0.02%+303+119.3%Added
Comerica Securities,inc.556$336.0K0.02%−163−22.7%Reduced
Schwartz Investment Counsel Inc550$333.0K0.01%00.0%Unchanged
Platte River Wealth Advisors, LLC548$332.0K0.12%+172+45.7%Added
Davy Global Fund Management Ltd546$330.0K0.05%00.0%Unchanged
Integrated Wealth Concepts LLC545$330.0K0.01%+118+27.6%Added
Great Valley Advisor Group, Inc.543$329.0K0.02%+543New
Bank Julius Baer & Co. Ltd, Zurich535$324.0K0.00%−292−35.3%Reduced
Teza Capital Management LLC531$321.0K0.15%−4,685−89.8%Reduced
Checchi Capital Advisers, LLC526$318.0K0.04%+23+4.6%Added
IFP Advisors, Inc521$313.0K0.01%+16+3.2%Added
Berman Capital Advisors, LLC517$312.0K0.05%+113+28.0%Added
Quadrant Capital Group LLC511$309.0K0.04%+53+11.6%Added
Amica Retiree Medical Trust504$305.0K0.28%−223−30.7%Reduced
Credit Agricole S A503$304.0K0.01%−100−16.6%Reduced
Steel Peak Wealth Management LLC501$303.0K0.02%−999−66.6%Reduced
Fayez Sarofim & Co500$303.0K0.00%00.0%Unchanged
NJ State Employees Deferred Compensation Plan500$303.0K0.04%00.0%Unchanged
SG3 Management, LLC500$303.0K0.11%+200+66.7%Added
Financial Advocates Investment Management492$298.0K0.02%+47+10.6%Added
People's United Financial, Inc.490$297.0K0.01%+3+0.6%Added
Maverick Capital LtdSuperinvestorMaverick Capital490$297.0K0.00%+490New
Brandywine Oak Private Wealth LLC488$295.0K0.03%+488New
Jupiter Wealth Management LLC472$294.0K0.14%00.0%Unchanged
D.A. Davidson & Co.483$292.0K0.00%−20−4.0%Reduced
StoneX Group Inc.481$291.0K0.04%−6−1.2%Reduced
Yorktown Management & Research Co Inc480$290.0K0.22%00.0%Unchanged
Collective Family Office LLC478$289.0K0.12%−3−0.6%Reduced
Mather Group, LLC.477$289.0K0.01%+477New
Pathstone Family Office, LLC476$288.0K0.01%−35−6.8%Reduced
Accuvest Global Advisors472$286.0K0.14%+472New
Vigilare Wealth Management470$284.0K0.18%−45−8.7%Reduced
Icon Wealth Partners, LLC469$284.0K0.03%−2−0.4%Reduced
Koss-Olinger Consulting, LLC467$283.0K0.05%+467New
Patten & Patten Inc465$281.0K0.02%00.0%Unchanged
Vestmark Advisory Solutions, Inc.464$281.0K0.02%+464New
Jaffetilchin Investment Partners, LLC458$277.0K0.03%−903−66.3%Reduced
Equitable Holdings, Inc.458$277.0K0.00%+458New
Echo Street Capital Management LLC456$276.0K0.00%−349−43.4%Reduced
Advus Financial Partners, LLC433$273.4K0.15%+433New
Oakworth Capital, Inc.451$273.0K0.03%+366+430.6%Added
Sheets Smith Wealth Management450$272.0K0.04%00.0%Unchanged
CAPROCK Group, Inc.450$272.0K0.02%+44+10.8%Added
Capital Analysts, LLC446$270.0K0.02%+46+11.5%Added
Howe & Rusling Inc439$266.0K0.03%+1+0.2%Added
Radnor Capital Management, LLC440$266.0K0.16%+440New
Laidlaw Wealth Management LLC437$264.0K0.07%−3−0.7%Reduced
Wintrust Investments LLC430$260.0K0.04%−45−9.5%Reduced
Golden State Wealth Management, LLC429$260.0K0.06%−9−2.1%Reduced
Cable Hill Partners, LLC426$258.0K0.06%+6+1.4%Added
DCM Advisors, LLC425$257.0K0.10%00.0%Unchanged
Marino, Stram & Associates LLC424$257.0K0.09%+424New
Range Financial Group LLC421$255.0K0.18%+9+2.2%Added
Fox Run Management, L.L.C.417$252.0K0.16%+417New
Pinnacle Wealth Planning Services, Inc.412$249.0K0.06%+16+4.0%Added
Deroy & Devereaux Private Investment Counsel Inc410$248.0K0.02%00.0%Unchanged
Harvest Fund Management Co., Ltd407$246.0K0.06%+306+303.0%Added